Christopher Joseph Rudnisky MD MPH FRCSC


Corneal Ring Implants for Nearsightedness

Corneal ring implants are clear pieces of plastic that can be surgically implanted into the clear, dome-shaped bulge at the front of the eye called the cornea . The implants flatten the cornea and reduce nearsightedness. The implants are shaped like crescents or half-circles. After you get local anesthesia, two implants…

Tube-Shunt Surgery for Glaucoma

Looks at a surgery for glaucoma typically used after a trabeculectomy has failed. Covers how it is done and what to expect after surgery. Also covers risks and how well it works.

Cornea

The cornea is the outer, clear, round structure that covers the colored part of the eye (iris) and the pupil. The cornea directs light rays into the eye and helps focus them on the light-sensitive retina at the back of the eye, providing sharp, clear vision. Vision problems such as astigmatism or nearsightedness…

Presbyopia

Presbyopia is a condition in which the eyes are not able to focus on near objects. This usually happens around age 40, when the eye begins to lose its ability to change the shape of the lens so it can focus on near objects (accommodation). Presbyopia is a normal part of aging that affects most people. Besides a…

Using Low-Vision Aids at Home

Vision aids can help you in many of your daily activities. Here are lists of vision aids used in different areas. Which ones might help you? Cooking Vision aids for cooking include: Large-print, ringing, or talking cooking timer. Large-print or marked control dials for stove, oven, and other kitchen appliances. Raised…